Lukas, Liina (December 2011). "Estonian Folklore as a Source for Estonian-German Poetry". Journal of Baltic Studies. 42: 491–510. doi:10.1080/01629778.2011.621738. S2CID141514545 – via JSTOR.
Lukas, Liina (December 2011). "Estonian Folklore as a Source for Estonian-German Poetry". Journal of Baltic Studies. 42: 491–510. doi:10.1080/01629778.2011.621738. S2CID141514545 – via JSTOR.